1063329905 has 32 divisors (see below), whose sum is σ = 1455840000. Its totient is φ = 738017280.

The previous prime is 1063329893. The next prime is 1063329947. The reversal of 1063329905 is 5099233601.

It is not a de Polignac number, because 1063329905 - 2⁸ = 1063329649 is a prime.

It is a super-2 number, since 2×1063329905² = 2261340973734618050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850721 + ... + 851969.

It is an arithmetic number, because the mean of its divisors is an integer number (45495000).

Almost surely, 2^1063329905 is an apocalyptic number.

It is an amenable number.

1063329905 is a deficient number, since it is larger than the sum of its proper divisors (392510095).

1063329905 is a wasteful number, since it uses less digits than its factorization.

1063329905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 1063329905 is about 32608.7397027239. The cubic root of 1063329905 is about 1020.6793836685.

The spelling of 1063329905 in words is "one billion, sixty-three million, three hundred twenty-nine thousand, nine hundred five".